diff --git a/categories/devops/linux.md b/categories/devops/linux.md
index eee110d..12f3d76 100644
--- a/categories/devops/linux.md
+++ b/categories/devops/linux.md
@@ -85,7 +85,7 @@ find . -type f | wc -l
Used Netcat
-```sh
+```bash
if ! nc -z localhost 5672; then
sleep 3;
fi
diff --git a/index.html b/index.html
index 0395a26..b549a4e 100644
--- a/index.html
+++ b/index.html
@@ -52,6 +52,7 @@
+